1 files changed, 4 insertions, 0 deletions

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 276406a83a37..b7661a68d498 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -3436,6 +3436,10 @@ int tcp_connect(struct sock *sk)
         int err;
 
         tcp_call_bpf(sk, BPF_SOCK_OPS_TCP_CONNECT_CB);
+
+        if (inet_csk(sk)->icsk_af_ops->rebuild_header(sk))
+                return -EHOSTUNREACH; /* Routing failure or similar. */
+
         tcp_connect_init(sk);
 
         if (unlikely(tp->repair)) {